Advertisements
Advertisements
प्रश्न
In ΔABC, if AB = 16 cm, BC = 12 cm and AC = 20 cm, then ΔABC is ______.
पर्याय
acute-angled
right-angled
obtuse-angled
not possible
MCQ
रिकाम्या जागा भरा
Advertisements
उत्तर
In ΔABC, if AB = 16 cm, BC = 12 cm and AC = 20 cm, then ΔABC is right-angled.
Explanation:
AC is the longest side of ΔAВС.
AB2 + BC2 = 162 + 122
= 256 + 144
= 400
= 202
= AC2
∴ ∠B = 90° ...[By the converse of Pythagoras' theorem]
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
